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Finding the Third Proportional to 7,126,905 and 15,540,198

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Solution

The third proportional to 7,126,905 and 15,540,198 is: 33,885,361.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,126,905 : 15,540,198 = 15,540,198 : x
  2. Step 2: Convert to fraction form
    7,126,905/15,540,198 = 15,540,198/x
  3. Step 3: Cross multiply
    7,126,905x = 15,540,198 × 15,540,198
  4. Step 4: Simplify right side
    7,126,905x = 241,497,753,879,204
  5. Step 5: Solve for x
    x = 241,497,753,879,204/7,126,905
  6. Step 6: Final answer
    x = 33,885,361.72

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.